Effect of insecticides and botanicals against Chrysanthemum aphid, (Macrosiphoniella sanbornii, Gillette)

Results showed that all the treatments were significantly different in causing pest mortality over control. Thiomethaxam 0.003% and Neem Seed Kernel Extract 5% (NSKE) were found to be most effective and significantly different from other treatments in causing pest mortality at 1, 3 and 5 DAS. Acetamiprid 1.5% and DDVP 0.05% were the next most effective insecticides and were statistically at par in causing pest mortality. NSKE 5% was at par with Profenophos 0.05%. Neem oil 1.5%, Chilli + garlic extract 5% and Neem leaf extract 5% showed more than 50% pest mortality, respectively.